
.head {
  margin-bottom: 20px;
  //background: cadetblue;
  background: #3E4959;
  height: 80px;
  padding: 8px;
  color: #fff;
}

.after {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  content: "Copied!";
  text-align: center;
  line-height: 110px;
  color: #2db7f5;
  transition: all 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.28);
  opacity: 0;
}
